baber/WOPTO huggingface dataset:
Patent KR-20020012340-A (KR)
Title: data output circuit in semiconductor device
Inventor: CHO BAEK HYEONG
IPC: G11C7/10
Filed: 2000-08-07
Abstract: PURPOSE: A data output circuit of a semiconductor memory device is provided, which can maximize an output speed by reducing a loading of a data output terminal, and can improve a speed characteristics of a chip by reducing a rising and a falling time of a data signal. CONSTITUTION: A data output buffer(10) has a register circuit configuration and buffers data from a sense amplifier in response to an output control signal(POE). An output driver(20) comprises a PMOS transistor(P1) and an NMOS transistor(N1) and drives data from the data output buffer. A preset part(30) is prepared to accelerate a rising time and a falling time of the data signal from the output driver. A preset part(30) sets an output terminal level of the output driver as a voltage of a middle level only during an interval while the output driver is not driven in response to control signals(C,D), and makes the data signal output as a high level or a low level with a half swing during a time interval while the output driver operates.
Patent KR-20020013173-A (KR)
Title: Method for Manufacturing a Large Exhaust Valve Head by Closed Die Forging
Inventor: KIM BYEONG HUN
IPC: B21K1/20
Filed: 2000-08-11
Abstract: PURPOSE: A method for manufacturing a large exhaust head for diesel engine in closed die forging is provided which improves workability and reduces processing cost by separating the head of the exhaust valve in closed die forging, thereby manufacturing the exhaust valve. CONSTITUTION: The method for manufacturing a large exhaust head for diesel engine in closed die forging comprises the processes of manufacturing a preform(13) in concordance with determined dimensions using a Ni base super heat-resisting alloy essentially comprising 0.04 to 0.10 wt.% of C, 18 to 21 wt.% of Cr, 1.0 to 1.8 wt.% of Al and 1.8 to 2.7 wt.% of Ti; loading the heated preform into already preheated dies(11,12) after heating the preform to an appropriate temperature in a heating furnace; and manufacturing a head(14) of an exhaust valve in closed die forging using a press, wherein an upper diameter ΦU of the head is 250 to 550 mm, a lower diameter of the head is 50 to 120 mm and a height of the head is 80 to 400 mm.
Patent KR-20020014176-A (KR)
Title: Apparatus and method for instant photographing and characterizing user's feature
Inventor: PARK GWANG JIN
IPC: G03B39/00
Filed: 2000-08-16
Abstract: PURPOSE: A method and apparatus is provided to allow users to create figures reflecting their characters in a rapid and convenient manner and use figures over Internet services. CONSTITUTION: An apparatus comprises a communication network(10) for interconnecting communication lines for data communication; a plurality of user systems for allowing users to transmit user information and data regarding the photos of users to an external source, receiving selected candidate figures from a server computer(30), displaying the received candidate figures onto a screen, transmitting the figure selection information of the user to the external source, receiving and displaying the final completed figure onto the screen, and transmitting a figure utilization method to the external source by a user selection; and the server computer for receiving data regarding the photos of users, searching the pre-stored drawings of each part of the face, creating figures of user face through combination of drawings of faces, transmitting the figures obtained through the combination and data for candidates over the communication network, receiving the final figure transmitted from the user system, storing the determined figure, and allowing the figure to be used exclusively by the user by the figure use selection data transmitted from user systems.
Patent KR-20020015918-A (KR)
Title: Method and appratus for forming nozzle hole of ink jet printer head
Inventor: LIM SEONG TAEK
IPC: B41J2/16
Filed: 2000-08-23
Abstract: PURPOSE: A nozzle hole processing device for an ink jet print head and a method thereof are provided to form nozzle holes of a desired standard on a relatively large-scaled nozzle plate without changing the size of an eximer laser beam. CONSTITUTION: A nozzle hole processing device for an ink jet print head includes a light source(110) for emitting an eximer laser beam, a mask element(130) formed with a plurality of micro holes in a predetermined pattern for passing the laser beam, a supporting element(150) for movably supporting the mask element on the path of the laser beam for positioning the micro holes of the mask element at predetermined first alignment positions, a conveying table(170) for movably supporting a nozzle plate(100) formed with nozzle holes corresponding to the micro holes of the mask and moving the nozzle plate to determined position thereof, and an optical system(190) disposed between the mask element and the nozzle plate on the laser beam path.
Patent KR-20020017101-A (KR)
Title: A Bio-ultra filtering apparatus for reusing sewage water and a method thereof
Inventor: KIM JONG JE
IPC: C02F3/30
Filed: 2000-08-28
Abstract: PURPOSE: An apparatus for grey water system and operation method thereof are provided, which are characterized in that biological treatment and surfactant are used in the system for recycling sewage to grey water. CONSTITUTION: The system comprises: a means for removing suspended materials by screening; a means for denitrifying sewage; a means for aerating sewage, and injecting surfactant into sewage for reacting surfactant with oil and fat; a means for removing sludge by specific gravity; a means for removing organics by activated microorganisms; and a means for storing treated sewage for using thereof as grey water.
Patent KR-20020020093-A (KR)
Inventor: KIM JIN HEE
IPC: F25D25/02
Filed: 2000-09-07
Abstract: PURPOSE: A kimchi container accommodating apparatus for kimchi storage device is provided to achieve an improved use convenience by allowing kimchi containers to be easily received into and drawn from the kimchi storage device. CONSTITUTION: A kimchi storage device(100) has accommodating spaces(100a) formed into a single layer or multiple layers, and the accommodating space has a bearing groove formed at the center of the bottom surface of the accommodating space so as to mount a bearing into the bearing groove. The accommodating space has a rotating disk(12) mounted onto the bottom surface of the accommodating space, and the rotating disk has a protrusion formed at the center of the bottom surface of the rotating disk. The protrusion is located to the bearing groove, and serves as a shaft. The rotating disk has a section line(12d) which is protruded from the upper surface of the rotating disk so as to form multiple accommodating surfaces(12c). A plurality of kimchi containers are received at the accommodating surface, in such a manner that kimchi is received in or drawn from the device in a convenient manner regardless of the position, according to the rotation of the rotating disk.
Patent KR-20020022220-A (KR)
Title: Cleaning brush assembly
Inventor: CHO JU HWAN
IPC: H01L21/304
Filed: 2000-09-19
Abstract: PURPOSE: An assembly of a cleaning brush is provided to prevent a brush member from fluctuating in a cleaning process, by installing a reversely-truncated cone type brush member having a taper surface and a brush port having an adhesion surface closely attached to the taper surface. CONSTITUTION: The reversely-truncated cone type brush member(20) has a flat cleaning surface(24) and an outer circumferential surface on the taper surface. A brush holder(40) is detachably attached to a rotation axis. The brush port(30) has an inner circumferential surface on the taper surface corresponding to the outer circumferential surface on the taper surface of the brush member so that the brush member is fixed to the brush holder while the cleaning surface of the brush member faces downward.
Patent KR-20020027704-A (KR)
Title: lottery type selling method
Inventor: KANG MYEONG GWAN
Filed: 2000-10-04
Abstract: PURPOSE: A selling method using a drawing is provided to make purchasers obtain desired articles at low costs and to make sellers sell over articles in a short time. CONSTITUTION: The method comprises steps of a seller connecting to a selling server via a user computer and applying articles to sell for a sale(S10), the seller inputting the accurate information of the articles to sell(S15), a selling service agent storing the articles applied by the seller in an article database interlocking with the selling server and noticing the information about the articles such as a date to draw a lottery and the price of a small lottery on the Internet(S20), the selling service agent selling small lotteries to many purchasers desiring to purchase the articles(S30), and the selling service agent selecting assigned purchasers having small lotteries by the selling server on the date to draw a small lottery(S40).
Patent KR-20020031635-A (KR)
Inventor: HONG SEONG RYONG
IPC: H04N5/44
Filed: 2000-10-20
Abstract: PURPOSE: A digital TV receiver is provided to independently perform timing recovery and segment synchronous signal recovery. CONSTITUTION: A digital TV receiver includes an A/D conversion and demodulation unit(205,206), a resampling unit(207), a timing recovery unit(208), an equalization unit(209), and a synchronous signal recovery unit(210). The A/D conversion and demodulation unit converts a VSB-modulated signal into a digital signal, and then demodulates the digital signal in VSB mode. The resampling unit receives timing errors of current symbols to interpolate the timing errors in a manner that the interpolation reduces an error between signals digitalized by the A/D conversion and demodulation unit. The timing recovery unit obtains the timing errors of the current symbols from the output of the resampling unit and outputs the timing errors to the resampling unit. The equalization unit equalizes signals included in the output signal of the resampling unit using segment and field synchronous signals as training signals. The synchronous signal recovery unit recovers the segment and field synchronous signals from the output signal of the equalization unit to output the signals to the equalization unit.
Patent KR-20020031776-A (KR)
Title: Control Device & Method of Cooling Cycle
Inventor: KIM JEON GYEOM
IPC: F25D11/00
Filed: 2000-10-24
Abstract: PURPOSE: A device and method for controlling cooling cycle are provided to prevent stoppage of a compressor during operation by gradually reducing intake and discharge pressure of refrigerant of the compressor. CONSTITUTION: A device includes a plurality of cooling cycles; and a control part. The cooling cycles are driven by being selectively supplied with refrigerant generated in a single compressor. The control part controls the cooling cycles to switch between an initial driving mode alternately controlling and driving valves for a certain period on initial driving of the cooling cycles and a normal driving mode after the initial driving mode is completed. A method includes three steps. The first step(200) is to determine whether the cooling cycles are on the initial driving mode. The second step(230,260) is to determine whether driving of the cooling cycle passes a certain period when the cooling cycles are on the initial driving mode. The third step is to determine whether the cooling cycles are switched to the normal mode after the certain period has passed.
Patent KR-20020038147-A (KR)
Title: Dash panel reinforcing board with rubber
Inventor: EOM SU HEUNG
IPC: B62D25/08
Filed: 2000-11-16
Abstract: PURPOSE: A dash panel reinforcing panel attached with rubber is provided to prevent the spreading of a noise and a vibration of an engine room to a seat by fixing a dash reinforcing panel attached with rubber plates on a dash panel part and to simplify the assembling procedure of the dash panel. CONSTITUTION: A dash panel reinforcing panel attached on a dash panel(1) is formed by bending a metal plate(20) and attaching rubber plates(30) to both sides of the metal plate. In the rubber plate, an insertion groove is formed to insert the metal plate. By inserting the metal plate to the insertion groove, a dash reinforcing plate is produced.
Patent KR-20020038218-A (KR)
Title: Error checking method of intake air sensor
Inventor: KANG IN SEOK
IPC: G01F25/00
Filed: 2000-11-17
Abstract: PURPOSE: A method for determining trouble of sensor measuring air amount is provided to determine appropriateness of output signal of the air amount measuring sensor. CONSTITUTION: A method comprises a reference value setup step; and a trouble determination step(200). The reference value setup step comprises an idling average intake air amount measuring step; an engine-stopped average intake air amount measuring step; an offset setup step; and a reference value storage step. The trouble determination step comprises an average intake air amount measuring step(210); a first average intake air amount determination step(240a); a second average intake air amount determination step(240b); and a determination step(250). The average intake air amount measuring step is to measure average intake air amount on idle speed control load condition when an engine stops. The first average intake air amount determination step is to determine whether the average intake air amount is less than 70% of an average intake air amount reference value if air density is low. The second average intake air amount determination step is to determine an air amount measuring sensor is out of order when the average intake air amount is less than 70% of the average intake air amount reference value and to determine whether the average intake air amount is over 130% of the average intake air amount reference value if the air density is high. The determination step is to determine the air amount measuring sensor is out of order if the average intake air amount is over 130% of the average intake air amount reference value.
Patent KR-20010016295-A (KR)
Title: the method to grind valve ball and structure to insert the cap
Inventor: PARK HEE RAK
IPC: B24B29/00
Filed: 2000-12-01
Abstract: PURPOSE: A method for polishing a ball of a valve and cap connecting structure thereof are provided to equally polish the entire ball by covering a cap having the same outer circumferential face as that of the ball on a passage of the ball upon polishing the ball. CONSTITUTION: A cap(10) has an insertion face(11) and the same outer circumferential face as that of a ball(20). One cap decomposition hole(12) is punched in the center of the cap and three holes are prepared on the outer part of the cap. A bolt connecting hole(14) is made up on the inner circumferential face of one among the holes. The four holes are cut at an interval(13) and only the bolt connecting hole is cut up to an end of the cap. When a tapered fastening bolt(16) enters from an inner part, the cap is firmly connected to the passage of the ball by widening the interval. To polish the ball, the cap(10) is produced with castings. The cap is inserted and coupled in the passage(21) of the ball while blocking the both sides of the passage. Then, the surface of the ball is equally polished through a polisher.
Patent KR-20010070284-A (KR)
Inventor: CHRISTOFFERSEN PER AAS
IPC: F01M1/08
Filed: 2000-12-08
Abstract: PURPOSE: An engine is provided to obtain a lubricating device having a simple structure, high accuracy, and certainty, in a two cycle large diesel engine especially. CONSTITUTION: An engine includes at least one cylinder, and a piston disposed inside thereof, wherein the piston is arranged to reciprocate along a sliding surface of the cylinder, and lubricant is supplied to the sliding surface through each lubricant delivery port(10) connected to each supplying pipe passage(16). Each rate regulating device is disposed on each lubricant delivery port, and the rate regulating device is connected to a control device(18). The rate regulating device is constituted as a switching valve(17) disposed in the vicinity of the lubricant delivery port, the supplying pipe passage is selectively opened/closed by the switching valve, a necessary rate of the lubricant is found out on the basis of a measuring value having a relation to a lubricant amount demanded by the control device, and an opening time point and a closing time point of the switching valve are led out on the basis thereof so as to properly control the switching valve.
Patent KR-20010062334-A (KR)
Inventor: GOTO NOBUHIRO
IPC: G06F17/00
Filed: 2000-12-12
Abstract: PURPOSE: To provide a game machine, such as a bingo game machine, with enhanced amusement to which a plurality of players can participate, a control method and a recording medium therefor. CONSTITUTION: The game machine includes a code matrix generating means 124, an effective position setting means 124 that sets specific positions in a matrix as effective positions, a lottery means 122 that selects arbitrary codes at random by a specified number of times, an effective code setting means 124 that compares a selected code with the codes on a card, and identifies a matched code as an effective code, a storing means 124 for holding matrix information, an image information generating means 124 that shows a game card on a display, a bet managing means 121 that accepts bet input from a player, a judging means 124 that judges specified hit conditions, and a repaying means that makes repayment to players in accordance with specified repayment conditions depending on the result of judgment. When a code selected by the lottery means agrees with the code placed in an effective position, the specified repayment conditions are changed in favor of the player before repayment.
Patent KR-20020047441-A (KR)
Title: Custody and pack receptacle of food
Inventor: KIM KYOUNG YONG
IPC: B65D85/50
Filed: 2000-12-13
Abstract: PURPOSE: A food-storing vessel capable of securing high airtightness and identifying packed food with the naked eye is provided which enables food to be stably stored in a vertical upright position or a laid flat position. CONSTITUTION: This food-storing vessel comprises: a cover opening and closing means(12) formed at the upper part of a vessel body; a transparent film(21) having a flexibility disposed at the upper part of the vessel body for identifying food with the naked eye; a partition panel(14) for dividing the inner part of the vessel body into at least two or more; a coupling part(23) connected to the opening and closing part at the rear part and a fixing part at its front part.
Patent KR-20020046502-A (KR)
Title: Cluster for use in an automobile
Inventor: KO JIN YEONG
IPC: B60K37/00
Filed: 2000-12-14
Abstract: PURPOSE: A cluster for an automobile is provided to protect a PCB by attaching a rear cover on a rear surface of the cluster and to lock a clip for fixing an LCD on a rear surface of the PCB. CONSTITUTION: A cluster for an automobile includes a speed meter, an RPM speed meter, a fuel gauge, a cooling water temperature meter, and a rear cover(30). The speed meter has a unit distance gauge and an integrating meter for measuring and indicating an instantaneous speed of the automobile. The RPM speed meter indicates a rotational frequency of an engine. The fuel gauge indicates a remaining amount of fuel. The cooling water temperature meter indicates temperature of cooling water. The rear cover is mounted on a rear surface of a cluster(20).
Patent KR-20020046706-A (KR)
Title: elevation method of mixing power in mechanical stirring equipment with impeller
Inventor: JUNG YEON DAE
IPC: B01F27/91
Filed: 2000-12-15
Abstract: PURPOSE: Provided is an improving method of stirring power in a stirrer by an impeller which places the impeller at a location far away from the center of a cylindrical lay to improve stirring and infiltration of a desulfuring agent so that it improves desulfuration efficiency. CONSTITUTION: In the stirrer which digests the impeller at the cylindrical vessel and rotates mechanically to stir solution, the improving method of stirring power in the stirrer by the impeller is characterized by digesting the impeller in the location far away from the center of lay by 1/4 of radius and disturbs solution rotated in a parallel to the rotation direction of the impeller by eccentric rotation to improve stirring power and reaction efficiency.
Patent KR-20020054037-A (KR)
Title: Ring type valve guide
Inventor: HONG SUN IL
IPC: F01L3/08
Filed: 2000-12-27
Abstract: PURPOSE: A structure of a ring-type valve guide is provided to minimize an energy loss caused by the friction of a valve by reducing a contact area between the valve and a guide ring when the valve is driven. CONSTITUTION: In a structure of a ring-type valve guide, a valve(3) is coupled to a cylinder head(1) with an intake port(2). A valve hole(10) with a predetermined size is formed on the cylinder head(1). A guide ring(11) is inserted into the upper and lower sides of the valve hole(10), and guides the valve(3).
Patent KR-20020054631-A (KR)
Inventor: HWANG CHANG YEON
IPC: H01L21/28
Filed: 2000-12-28
Abstract: PURPOSE: A formation method of contact hole is provided to improve a yield and a reliability and to prevent a short by covering a contact hole with a following bit line instead of an interlayer dielectric having a contact top CD(Critical Dimension) widening. CONSTITUTION: After forming a multiple of word lines(32), a nitride(33), a BPSG(Boro Phospho Silicate Glass)(34), and a first photoresist pattern, a first contact hole is formed by selectively etching the nitride(33) sequentially using the first photoresist pattern and the BPSG(34) as masks. Then, a polycrystalline silicon plug(36) is filled into the first contact hole and a planarization is performed on the resultant structure using the word lines(32) as an etch ending point. After forming a second BPSG(37), a third BPSG(38) as an interlayer dielectric, an anti-reflective layer and a second photoresist pattern, a second contact hole(41) is formed by selectively etching the third and second BPSGs(38,37) using the anti-reflective layer and the second photoresist pattern as a mask. At this time, a contact top CD widening is formed on the third BPSG(38), so that the third BPSG(38) is removed, thereby improving a reliability.
Patent KR-20020055941-A (KR)
Title: Wordline pull-up and pull-down circuit
Inventor: SON HO YEONG
IPC: G11C8/08
Filed: 2000-12-29
Abstract: PURPOSE: A word line pull-up and pull-down circuit is provided to prevent leakage current by controlling supply of unnecessary bias voltage. CONSTITUTION: A multitude of fuses(F1 to FN) and a multitude of inverters(I1 to IN) are connected directly between a multitude of low address signal input terminals(X1 to XN) and a multitude of word lines(WL1 to WLN). A multitude of PMOS transistors(P1 to PN) are connected between supply voltage(Vcc) and input terminals of the inverters(I1 to IN). An enable fuse(EF) of a selection circuit(10) is connected between the supply voltage(Vcc) and a node(K). A plurality of inverters(G1,G2) are connected between the node(K) and an output terminal(Sout). NMOS transistors(C,N) are connected between the node(K) and a ground. The word lines(WL1 to WLN) are selected by address signals of a low decoder.
Patent KR-20010023130-A (KR)
IPC: G01Q60/56
Filed: 1999-06-22
Abstract: 제1 자성층과 제2 자성층이 터널 장벽층을 통해 적층되고, 제2 자성층이 제1 자성층과 비교하여 저전위가 되도록 인가한 전압의 변화에 대한 자기 저항비의 변화가, 제2 자성층이 제1 자성층과 비교하여 고전위가 되도록 인가한 전압의 변화에 대한 자기 저항비의 변화와 비교하여 작은 영역을 갖는다.  자기 터널 소자는, 제2 자성층이 제1 자성층과 비교하여 저전위가 되도록 전압을 인가함으로써, 자기 저항비의 전압 의존성이 적어져서, 안정된 터널 전류가 흐르게 된다.
Patent KR-20010023283-A (KR)
IPC: C08J11/06
Filed: 1998-08-18
Abstract: 열가소성 폴리아미드, 및 폴리우레탄의 열가소성 분절 공중합체의 혼합물을 용융 혼합시키는 방법 및 그의 생성물이 개시된다.  본 발명은 팬티스타킹과 같은 직물 제품을 몰딩, 시트 및 섬유와 같은 성형품으로 가공하기에 유용한 형태로 재생 이용하는 데에 유용하다.